Phil Weiser defeated Michael Bennet in the June 30, 2026 Colorado Democratic gubernatorial primary, receiving 54.7 percent of the vote to Bennet's 45.3 percent with 77 percent of votes counted. The Associated Press called the race for Weiser at 9:55 p.m. Weiser, the term-limited state attorney general, and Bennet, a three-term U.S. senator, each made their first run for governor.